// 布局相关的样式 

#app> .van-config-provider{
   height: 100%;
   display:flex;
   flex-direction: column;

   > .sdy-header{
    height: 45px;
        overflow: hidden;
    }
    > .sdy-footer{
        height: 50px;
    }
    > .sdy-container{
        flex:1;
        overflow-y: auto
    }


} 